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Cancelled - Biophysics Colloquium with Joel Meyerson

Wednesday, February 13, 2019 at 4:00pm to 5:00pm

Clark Hall, 700
Central Campus

Cancelled Due to Weather

Joel Meyerson, Weill Cornell Medical College          

Host: Chris Fromme

Investigating the structural basis of glutamate receptor gating using cryo-EM

Ionotropic glutamate receptors (iGluRs) are ligand-gated ion channels that mediate excitatory synaptic transmission in the vertebrate brain. In performing this role, iGluRs adopt three major functional states: a resting state with closed ion channel, an active state with bound glutamate and open ion channel, and a desensitized state where glutamate is still bound in the receptor but the channel is closed. A fundamental question in iGluR structural biology is how the receptor structurally traverses these three states. The seminar will focus on this question in the context of a collection of AMPA and kainate subtype iGluR structures determined by cryo-EM. The results have revealed a complex interplay of domain motions, domain interactions, and symmetry mismatches within the receptor, that are at the heart of iGluR function

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Event Type

Colloquium

Departments

LASSP

Tags

biophysics, biophysics_colloquium, lassp

Website

http://biophysics.cornell.edu/index.html

Hashtag

#biophysics

Contact E-Mail

jdf55@cornell.edu

Contact Name

Jonathan

Contact Phone

255-8101

Speaker

Joel Meyerson

Speaker Affiliation

Weill Cornell Medical College

Open To

public

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